21000584544

素因数分解:

$2^5\times 3^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1\times {\mathrm{1607}}^1$

素因数の和:2508

約数の個数: 96

約数和(自身を含む): 55521075456

約数和(自身を除く): 34520490912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 197, 394, 591, 691, 788, 1182, 1382, 1576, 1607, 2073, 2364, 2764, 3152, 3214, 4146, 4728, 4821, 5528, 6304, 6428, 8292, 9456, 9642, 11056, 12856, 16584, 18912, 19284, 22112, 25712, 33168, 38568, 51424, 66336, 77136, 136127, 154272, 272254, 316579, 408381, 544508, 633158, 816762, 949737, 1089016, 1110437, 1266316, 1633524, 1899474, 2178032, 2220874, 2532632, 3267048, 3331311, 3798948, 4356064, 4441748, 5065264, 6534096, 6662622, 7597896, 8883496, 10130528, 13068192, 13325244, 15195792, 17766992, 26650488, 30391584, 35533984, 53300976, 106601952, 218756089, 437512178, 656268267, 875024356, 1312536534, 1750048712, 2625073068, 3500097424, 5250146136, 7000194848, 10500292272, 21000584544]

約数ペア:

[(1, 21000584544), (2, 10500292272), (3, 7000194848), (4, 5250146136), (6, 3500097424), (8, 2625073068), (12, 1750048712), (16, 1312536534), (24, 875024356), (32, 656268267), (48, 437512178), (96, 218756089), (197, 106601952), (394, 53300976), (591, 35533984), (691, 30391584), (788, 26650488), (1182, 17766992), (1382, 15195792), (1576, 13325244), (1607, 13068192), (2073, 10130528), (2364, 8883496), (2764, 7597896), (3152, 6662622), (3214, 6534096), (4146, 5065264), (4728, 4441748), (4821, 4356064), (5528, 3798948), (6304, 3331311), (6428, 3267048), (8292, 2532632), (9456, 2220874), (9642, 2178032), (11056, 1899474), (12856, 1633524), (16584, 1266316), (18912, 1110437), (19284, 1089016), (22112, 949737), (25712, 816762), (33168, 633158), (38568, 544508), (51424, 408381), (66336, 316579), (77136, 272254), (136127, 154272)]